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Finding the Fourth Proportional to 64,751.08, 97,143.90 and 23,202.28

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Solution

The fourth proportional to 64,751.08, 97,143.90 and 23,202.28 is: 34,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,751.08 : 97,143.90 = 23,202.28 : x
  2. Step 2: Convert to fraction form
    64,751.08/97,143.90 = 23,202.28/x
  3. Step 3: Cross multiply
    64,751.08x = 97,143.90 × 23,202.28
  4. Step 4: Simplify right side
    64,751.08x = 2,253,959,968.09
  5. Step 5: Solve for x
    x = 2,253,959,968.09/64,751.08
  6. Step 6: Final answer
    x = 34,809.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.